Meet Herbie Greenthumb, a super cool kid who is obsessed with nature and gardening. He's like a superhero when it comes to plants But one day, Herbie witnesses Mr. Crinklepuss being mean to a harmless dandelion. This grumpy old man needs a serious attitude adjustment, and Herbie is determined to make it happen. Get ready for an awesome adventure that will warm your heart as these two very different people become unlikely friends